COMP Cams Xtreme Energy Camshafts 20-221-3 Camshaft, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .447/.455, Mopar, Small Block, Each
COMP Cams Xtreme Energy Camshafts 20-221-3 Camshaft, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .447/.455, Mopar, Small Block, Each
Description
Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.447 / 0.455 in - Duration 256 / 268 - 110 LSA - 1000 / 5200 RPM - Small Block Mopar - Each
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:12:53
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | cca20-221-3 |
| SFX Item ID | 4777095 |
| Accounting SKU | cca-20-221-3 |
| Manufacturer SKU | 20-221-3 |
| Manufacturer UPC | 036584046844 |
| Alternative References | 20-221-3, CCA-20-221-3, COM20-221-3 |
Camshaft, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .447/.455, Mopar, Small Block, Each
COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. Whether your use is off-roading, towing, or street performance, there's an Xtreme Energy cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers—while delivering increased engine vacuum. Hundreds of models are available for fitment on vehicles from 1955 to the present. Select the cam designed for your application.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 20-221-3 |
| Part Type | Camshafts |
| Product Line | COMP Cams Xtreme Energy Camshafts |
| UPC | 036584046844 |
| Cam Style | Hydraulic flat tappet |
| Camshaft Use | Street/Strip |
| Basic Operating RPM Range | 1,000-5,200 |
| Intake Duration at 050 inch Lift | 212 |
| Exhaust Duration at 050 inch Lift | 218 |
| Duration at 050 inch Lift | 212 int./218 exh. |
| Advertised Intake Duration | 256 |
| Advertised Exhaust Duration | 268 |
| Advertised Duration | 256 int./268 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.447 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.455 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.447 int./0.455 exh. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CRS XE256H-10 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
Compatibility
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